Income Taxes - Tax Credit Carryforwards (Details) $ in Millions	Sep. 03, 2020 USD ($)
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	$ 651
2021 - 2025
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	43
2026 - 2030
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	71
2031 - 2035
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	131
2036 - 2040
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	325
Indefinite
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	81
U.S. Federal
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	321
U.S. Federal | 2021 - 2025
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	0
U.S. Federal | 2026 - 2030
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	0
U.S. Federal | 2031 - 2035
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	0
U.S. Federal | 2036 - 2040
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	321
U.S. Federal | Indefinite
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	0
State
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	330
State | 2021 - 2025
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	43
State | 2026 - 2030
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	71
State | 2031 - 2035
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	131
State | 2036 - 2040
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	4
State | Indefinite
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	$ 81